But the conversation quickly turned to Bieber's recent erratic behavior.

When host Marc Lamont Hill asked Mallette if her son is having a breakdown, she awkwardly responded "I really don't know what to say."

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When asked if she's worried about her son, Mallette responds, "I think moms always worry," adding, "Letting go is difficult. I think there's always an extra level of worry from parents who have to let go a little bit."